High severity7.5NVD Advisory· Published Dec 27, 2017· Updated Jun 17, 2026

CVE-2017-17848

Description

An issue was discovered in Enigmail before 1.9.9. In a variant of CVE-2017-17847, signature spoofing is possible for multipart/related messages because a signed message part can be referenced with a cid: URI but not actually displayed. In other words, the entire containing message appears to be signed, but the recipient does not see any of the signed text.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Enigmail/Enigmail2 versions
cpe:2.3:a:enigmail:enigmail:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:enigmail:enigmail:*:*:*:*:*:*:*:*range: <1.9.9
- (no CPE)range: <1.9.9
Debian/linux3 versions
cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
RUB NDS/Johnny-You-Are-Firedllm-create

Patches

Vulnerability mechanics

References

packetstormsecurity.com/files/152703/Johnny-You-Are-Fired.htmlnvdThird Party AdvisoryVDB Entry
seclists.org/fulldisclosure/2019/Apr/38nvdMailing ListThird Party Advisory
www.openwall.com/lists/oss-security/2019/04/30/4nvdMailing ListThird Party Advisory
lists.debian.org/debian-lts-announce/2017/12/msg00021.htmlnvdMailing ListThird Party Advisory
lists.debian.org/debian-security-announce/2017/msg00333.htmlnvdMailing ListThird Party Advisory
sourceforge.net/p/enigmail/bugs/709/nvdThird Party Advisory
www.debian.org/security/2017/dsa-4070nvdThird Party Advisory
github.com/RUB-NDS/Johnny-You-Are-Fired/blob/master/paper/johnny-fired.pdfnvd

News mentions

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cvss	0.488
epss	0.001
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000